

.navbar{
    margin-top:20px;
}
#bj{
    top:0px;
    width:100%;
    position:absolute;
    z-index:-9;

}



.to-top2{
    height:500px;

}
.container.wen{
    position:absolute;
    top:170px;
    left:220px;
    width:600px;
}
.h1{
    color:white;

}







.ab{
    margin-top:470px;
}


.span4{
    text-align:center;
    position:relative;
    margin-top:500px;
}
.div.container.two{

    margin-top:430px;
}

.featurette-divider{
    margin:80px;
}